According to this Sunday's WT study (November 6, 2011) it is "Jehovah" then it is "Jesus" then "God" in paragraphs 14 and 15 that shed enlightenment. But substitute a certain two-word group and you'll find the sentences all seem to still fit...
The article is linked to below. There is also a new graphical chart with a scan of the paragraphs and some comments that you may find useful enough to download and save:
http://www.jwstruggle.com/2011/11/who-today-sheds-spiritual-enlightenment/
JJ